KS M ISO 3838-2011(2016) 密度或相对密度 - 毛细管的原油和液体或固体石油产品的测定停止比重瓶和带刻度双毛细管比重瓶的方法
Crude petroleum and liquid or solid petroleum products —Determination of density or relative density — Capillary stopped pyknometer and graduated bicapillary pyknometer methods